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Substance Name: Astifilcon A [USAN]
RN: 25655-01-0

Classification Codes

  • Contact Lens Material (Hydrophilic)
  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formulas

  • (C5-H8-O2.C6-H9-N-O)x-
  • (C6-H9-N-O.C5-H8-O2)x-

Molecular Weight

  • 211.259
 
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Names and Synonyms

Name of Substance

  • Astifilcon A [USAN]
  • Poly(methylmethacrylate-N-vinylpyrrolidone)

Synonyms

  • Astifilcon A
  • Breath-O
  • Methyl methacrylate polymer with 1-vinyl-2-pyrrolidinone
  • Vinyl pyrrolidone, methyl methacrylate polymer

Systematic Name

  • 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1-ethenyl-2-pyrrolidinone

Registry Numbers

CAS Registry Number

  • 25655-01-0

Other Registry Number

  • 82148-18-3

System Generated Number

  • 0025655010

Molecular Formulas

Molecular Formulas

  • (C5-H8-O2.C6-H9-N-O)x-
  • (C6-H9-N-O.C5-H8-O2)x-

Molecular Formula Fragments

  • C5-H8-O2
  • C6-H9-N-O
  • COMPONENT

Structure Descriptors

Smiles

C1CN(C=C)C(=O)C1.CC(=C)C(=O)OC